1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/**********************************************************************
* Author: Cavium Networks
*
* Contact: support@caviumnetworks.com
* This file is part of the OCTEON SDK
*
* Copyright (c) 2003-2007 Cavium Networks
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*
* This file is distributed in the hope that it will be useful, but
* AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
* NONINFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this file; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
* or visit http://www.gnu.org/licenses/.
*
* This file may also be available under a different license from Cavium.
* Contact Cavium Networks for more information
**********************************************************************/
#include <linux/kernel.h>
#include <linux/ethtool.h>
#include <linux/phy.h>
#include <linux/ratelimit.h>
#include <linux/of_mdio.h>
#include <net/dst.h>
#include <asm/octeon/octeon.h>
#include "ethernet-defines.h"
#include "octeon-ethernet.h"
#include "ethernet-mdio.h"
#include "ethernet-util.h"
#include <asm/octeon/cvmx-helper-board.h>
#include <asm/octeon/cvmx-smix-defs.h>
static void cvm_oct_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
strlcpy(info->driver, "cavium-ethernet", sizeof(info->driver));
strlcpy(info->version, OCTEON_ETHERNET_VERSION, sizeof(info->version));
strlcpy(info->bus_info, "Builtin", sizeof(info->bus_info));
}
static int cvm_oct_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
struct octeon_ethernet *priv = netdev_priv(dev);
if (priv->phydev)
return phy_ethtool_gset(priv->phydev, cmd);
return -EINVAL;
}
static int cvm_oct_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
struct octeon_ethernet *priv = netdev_priv(dev);
if (!capable(CAP_NET_ADMIN))
return -EPERM;
if (priv->phydev)
return phy_ethtool_sset(priv->phydev, cmd);
return -EINVAL;
}
static int cvm_oct_nway_reset(struct net_device *dev)
{
struct octeon_ethernet *priv = netdev_priv(dev);
if (!capable(CAP_NET_ADMIN))
return -EPERM;
if (priv->phydev)
return phy_start_aneg(priv->phydev);
return -EINVAL;
}
const struct ethtool_ops cvm_oct_ethtool_ops = {
.get_drvinfo = cvm_oct_get_drvinfo,
.get_settings = cvm_oct_get_settings,
.set_settings = cvm_oct_set_settings,
.nway_reset = cvm_oct_nway_reset,
.get_link = ethtool_op_get_link,
};
/**
* cvm_oct_ioctl - IOCTL support for PHY control
* @dev: Device to change
* @rq: the request
* @cmd: the command
*
* Returns Zero on success
*/
int cvm_oct_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
struct octeon_ethernet *priv = netdev_priv(dev);
if (!netif_running(dev))
return -EINVAL;
if (!priv->phydev)
return -EINVAL;
return phy_mii_ioctl(priv->phydev, rq, cmd);
}
static void cvm_oct_adjust_link(struct net_device *dev)
{
struct octeon_ethernet *priv = netdev_priv(dev);
cvmx_helper_link_info_t link_info;
if (priv->last_link != priv->phydev->link) {
priv->last_link = priv->phydev->link;
link_info.u64 = 0;
link_info.s.link_up = priv->last_link ? 1 : 0;
link_info.s.full_duplex = priv->phydev->duplex ? 1 : 0;
link_info.s.speed = priv->phydev->speed;
cvmx_helper_link_set( priv->port, link_info);
if (priv->last_link) {
netif_carrier_on(dev);
if (priv->queue != -1)
printk_ratelimited("%s: %u Mbps %s duplex, "
"port %2d, queue %2d\n",
dev->name, priv->phydev->speed,
priv->phydev->duplex ?
"Full" : "Half",
priv->port, priv->queue);
else
printk_ratelimited("%s: %u Mbps %s duplex, "
"port %2d, POW\n",
dev->name, priv->phydev->speed,
priv->phydev->duplex ?
"Full" : "Half",
priv->port);
} else {
netif_carrier_off(dev);
printk_ratelimited("%s: Link down\n", dev->name);
}
}
}
/**
* cvm_oct_phy_setup_device - setup the PHY
*
* @dev: Device to setup
*
* Returns Zero on success, negative on failure
*/
int cvm_oct_phy_setup_device(struct net_device *dev)
{
struct octeon_ethernet *priv = netdev_priv(dev);
struct device_node *phy_node;
if (!priv->of_node)
return 0;
phy_node = of_parse_phandle(priv->of_node, "phy-handle", 0);
if (!phy_node)
return 0;
priv->phydev = of_phy_connect(dev, phy_node, cvm_oct_adjust_link, 0,
PHY_INTERFACE_MODE_GMII);
if (priv->phydev == NULL)
return -ENODEV;
priv->last_link = 0;
phy_start_aneg(priv->phydev);
return 0;
}
|
